package com.kuang.udp;

import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;

public class UDPClient {
    public static void main(String[] args) throws Exception {
        //1、建立一个Socket
        DatagramSocket socket = new DatagramSocket();
        //2、建个包
        String msg = "你好，服务器";
        InetAddress localhost = InetAddress.getByName("127.0.0.1");
        int port = 9999;

        //数据，数据的起始长度
        DatagramPacket packet = new DatagramPacket(msg.getBytes(), 0, msg.length(), localhost, port);

        //3.发送包
        socket.send(packet);
        //4.关闭流
        socket.close();
    }
}
